Phonic AM 442D User Manual page 12

49. Graphic Equalizer (AM 642D)
This stereo 9 band graphic equalizer allows the user
to adjust the frequency response of a signal, with a
maximum of ±12 dB of signal boost or cut for each of
the frequencies. The AUX 1 / MAIN switch alternates
the use of the equalizer between the use of the AUX 1
bus and MAIN L/R bus signals. Pushing the on button
in activates the equalizer, which is accompanied by
an illuminated LED.
12 AM442D/AM642D